/Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionEngineConversion.h
static int32 AppendGeometryCollectionMaterials ( const [UGeometryCollection](API\Runtime\GeometryCollectionEngine\GeometryCollection\UGeometryCollection) * SourceGeometryCollection, const [UGeometryCollectionComponent](API\Runtime\GeometryCollectionEngine\GeometryCollection\UGeometryCollect-) * GeometryCollectionComponent, [UGeometryCollection](API\Runtime\GeometryCollectionEngine\GeometryCollection\UGeometryCollection) * TargetGeometryCollectionObject )